blood circulatory system working model questions/answers asked at a science exhibition

human-circulatory-working-model-using-the-syringes-biology-working-model-diy-simple-and-easy

When presenting a blood circulatory system working model at a science exhibition, you’ll likely face various questions from visitors. Here are some common questions along with their answers to help you effectively explain your model: 1. How does the heart pump blood through the circulatory system? Answer: The heart pumps blood through two main circuits: … Read more

how to make working model of the human blood circulatory system with LED lights

Creating a working model of the human blood circulatory system with LED lights can be an engaging way to visualize how blood flows through the body. The LED lights can represent oxygenated (bright red LED) and deoxygenated blood (blue LED), and a simple pump can simulate the heart pumping blood. Materials Needed: Video Steps to … Read more

how to make water fountain working model using a DC water pump and plastic bottle

Creating a water fountain working model using a DC water pump motor, a plastic bottle, and a plastic tray can be a fun and educational project. Below are the materials you’ll need and the step-by-step instructions for building it. Materials Needed: Video Steps: 1. Prepare the Water Reservoir (Plastic Bottle) 2. Set Up the Plastic … Read more

how to make working model of a Vertical Axis Wind Turbine

To make a working model of a Vertical Axis Wind Turbine (VAWT) using cardboard pipes, a DC generator motor, and an LED light, follow these steps: Materials Needed: Video Steps: 1. Design the Blades 2. Assemble the Rotor 3. Build the Turbine Shaft 4. Mount the Shaft and Motor 5. Wiring the LED Light 6. … Read more

how to make hydraulic lifting fan working model

A hydraulic lifting fan working model is a simple and creative way to demonstrate how hydraulics can be used to lift a fan, and how a DC motor powers the fan. Here’s a step-by-step guide to build this model using 2 syringes, 1 DC motor, a fan blade, a 9V battery, and a switch. Materials … Read more

how to make traffic light working model

Building a traffic light working model using three different color LED lights, a 9V battery, and three switches is a great way to demonstrate the traffic light working principle. Here’s a step-by-step guide to create this model: Materials Needed: Video Steps to Build the Model 1. Prepare the Base: 2. Mount the LEDs: 3. Wiring … Read more

how to make barrier gate working model

To build a barrier gate working model using a robo motor, car toy big wheel, paper straw (as the gate), and a 9V battery, follow these step-by-step instructions. This model demonstrates how barrier gates work, using basic materials and a DC motor to simulate the lifting and lowering of road gates at crossings or parking … Read more

how to make regenerative energy working model

A regenerative energy working model using two DC motors, a 9V battery, a switch, and toy car wheels can demonstrate how mechanical energy is converted into electrical energy and then reused. This model gives a practical demonstration of regenerative energy by recycling some of the energy from a mechanical system into electrical energy! Here’s how … Read more

how to make hydraulic lift working model

A hydraulic lift working model using a syringe and cardboard is a fun and simple project to demonstrate the principles of hydraulics. The hydraulic lift model works on Pascal’s Law, which states that pressure applied to a fluid is transmitted equally in all directions. When you push the plunger of one syringe, it creates pressure … Read more

how to make automatic rain detector and cloth collecting working model

An automatic rain detector and cloth collecting working model is a fascinating project that combines basic electronics and mechanical engineering. This model detects rain and triggers a mechanism to retract or cover clothes to prevent them from getting wet. Here’s how you can build this project: Materials Needed: Electronics: Mechanical Parts: Video Step-by-Step Guide to … Read more

how to make day and night working model

Creating a day and night working model for a science project exhibition that also shows the India and USA time zones is an engaging way to demonstrate how the Earth’s rotation affects daylight across different regions. The model can illustrate how different parts of the Earth experience day and night at the same time, depending … Read more

how to make working project on types of angles

Creating a working project on types of angles in both clock and flower formats using paper, cardboard, and push pins is a fun and interactive way to understand angle concepts. Here’s a step-by-step guide for each format: Materials Needed: Video Steps to Make the Model: 1. Create the Clock Face: 2. Make the Clock Hands: … Read more

how to make working model of real numbers in a tree format

Creating a working model of real numbers in a tree format using paper and cardboard is a great way to visually organize and explain the different subsets of real numbers. Here’s a step-by-step guide for constructing this model: Materials Needed: Real Number Classification: Before constructing the tree, remember that real numbers can be classified into … Read more

how to make kidney working model with LED lights

Creating a kidney working model with LED lights to showcase the different parts of the kidney is a great way to explain the anatomy and function visually. Here’s how you can make it: Materials Needed: Parts of the Kidney to Highlight: Video Steps for Creating the Model: 1. Create the Kidney Shape 2. Install LED … Read more

how to make working model of the Pythagorean theorem using LED lights

Creating a working model of the Pythagorean theorem using LED lights is a creative way to demonstrate the relationship between the sides of a right-angled triangle. Here’s a step-by-step guide to build this model. Materials Needed: Video Steps for Creating the Model: 1. Prepare the Base 2. Construct the Triangle 3. Install the LED Lights … Read more